This post will have information on who the cast were and any information that might of interest or roles they may appear in down the line!
The DD Girls:
Hisako Doubayashi (道林尚子): Will later return as Death Nightmare
Yuuko Nishi (西祐子): Only Performance
Mayumi Maikuma (毎熊真ゆみ): Only Performance
Haruna Sakurada/Manegin: Kasumi Hyuuga (日向霞): Only Performance
Jadeite: Susumu Nihashi (二橋進): Would only reappear in the Kaiteiban
Kunzite: Yuuta Mochizuni (望月祐多): Nicknamed Moochi. Would perform from 1993-2001 on the stage and was the action coach from 1998-2001. This is the 2nd longest running overall performer and the longest performer of another role. He was previously in Kamen Rider J as Koji Segawa/Kamen Rider J and in Kyouryuu Sentai Zyuranger as Geki/TyrannoRanger. He retired in 2007 from acting and does karate. Appears in 18 total musicals.
Zoicite: Toshitaka Akita (秋田敏隆): Only performance
Nephrite: Toshikazu Seike (清家利一), also known as Riichi Seike. Only reappears in Kaiteiban
Artemis: Keiji Himeno (姫野ケイジ): Would only reappear in the Kaiteiban.
Luna: Tomoko Ishimura (石村とも子). Would only reappear in the Kaiteiban.
Queen Beryl: Yuri Nishina (仁科有理). From 1978 to 1990 she was in Takarazuka Revue. She performs as Queen Beryl in 5 musicals including the Kaiteiban to this musical.
Mamoru Chibia/Tuxedo Mask/Prince Endymion: Mizuki Sano (佐野瑞樹): Only performance.
Aino Minako/Sailor Venus: Nana Suzuki (鈴木奈々). She is the longest running Venus to date with 6 musicals. She was an original member of the seiyuu group Sakurakko Club.
Kino Makoto/Sailor Jupiter: Kanoko (かのこ), real name Noriko Kamiyama (神山法子), is the 2nd longest running Sailor Jupiter with 6 musicals.
Hino Rei/Sailor Mars: Hiroko Nakayama (中山博子) performs in 3 musicals. Her birthday is on the same day as Rei’s, was also a member of the Sakurakko Club, and has released a full-nude idol photobook. Because you wanted to know that.
Mizuno Ami/Sailor Mercury: Ayako Morino (森野文子), the longest running Sailor Mercury with 13 musicals and also the 5th longest overall performer tied with Anza. She would reppear at the 1998 Golden Week Fan Kansha, the 500th performance, and 10th Anniversary Talk Show. She was also part of the 1995 Ongaku Shuu video.
She was also part of the Seiyuu Group Sakurakko Club and formed the vocal duo MOMO with Anza. Sh appeard in the Hong Kong move the Poet in 1998 (released in Japan in 2001). She retired from the industry in 2002.
In episode 191 of the anime, there’s a brief shot of two girl sdressed like Ayako and Anza as MOMO.
Tsukino Usagi/Sailor Moon/Princess Serenity: Anza Ooyama (大山アンザ), the longest running actress to play Sailor Moon and tied 5th for longest overall performer with Ayako.
Appears in the 1998 Fan Kansha, the 500th performance, the 10th Anniversary Talk Show, and the 777th performance. She was also in the Ongaku Shuu video.
Her father is Japanese and her mother is South African of Spanish descent and she is the older sister of a Sailor Jupiter performer, Chiho Ooyama.
Appears in 13 musicals and now runs her own band called HEAD PHONES PRESIDENT which is a rock metal group.
She has appeared in various other musicals such as Les Miserables as Eponine.
There you have the cast!